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[ruby/csv] Fix an error for CSV.open (#131)

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Follow up to https://github.com/ruby/csv/pull/130/files#r434885191.

This PR fixes `ArgumentError` for `CSV.open` when processing
invalid byte sequence in UTF-8.
a4b528c209
This commit is contained in:
Koichi ITO 2020-06-04 12:08:05 +09:00 • committed by Nobuyoshi Nakada
parent 4e33a87879
commit cee10c1b70
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Notes: git 2020-07-20 03:35:40 +09:00
2 changed files with 11 additions and 1 deletions
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2
lib/csv/writer.rb
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@ -156,7 +156,7 @@ class CSV
else
field = String(field) # Stringify fields
# represent empty fields as empty quoted fields
if (@quote_empty and field.empty?) or @quotable_pattern.match?(field)
if (@quote_empty and field.empty?) or (field.valid_encoding? and @quotable_pattern.match?(field))
quote_field(field)
else
field # unquoted field

10
test/csv/interface/test_read.rb
View file

@ -125,6 +125,16 @@ class TestCSVInterfaceRead < Test::Unit::TestCase
end
end
def test_open_invalid_byte_sequence_in_utf_8
CSV.open(@input.path, "w", encoding: Encoding::CP932) do |rows|
error = assert_raise(Encoding::InvalidByteSequenceError) do
rows << ["\x82\xa0"]
end
assert_equal('"\x82" on UTF-8',
error.message)
end
end
def test_open_with_undef_replace
# U+00B7 Middle Dot
CSV.open(@input.path, "w", encoding: Encoding::CP932, undef: :replace) do |rows|